遗传素质作为内源性致癌因素久已为人所共知,癌症的家族性发病也已受到人们的重视,国内外资料均有报道。本文报告3例蒙族癌症家族。 例1,父亲于1987年经内镜活检病理诊断为进展期胃腺癌,未经治疗,于数月后死亡。母亲患直肠癌。1991年行根活术,1993年2月死于肝转移。长子1991年12月因直肠癌手术,一年后去逝,次子1993年12月行升结肠癌根治术,现健在。四子于1993年1月行回盲部癌根治,又因盆腔广泛转移,于1994年1月行降结肠造口术。其余两子一女尚未发现恶性肿瘤。 Genetic quality as an endogenous carcinogenic factor has long been known, and the familial disease of cancer has also received attention from people. Domestic and foreign data have been reported. This article reports 3 cases of Mongolian cancer family. In case 1, his father was diagnosed with advanced gastric adenocarcinoma by endoscopic biopsy in 1987. He died without treatment after several months. The mother has rectal cancer. Rooted in 1991, died of liver metastasis in February 1993. His eldest son died of rectal cancer surgery in December 1991 and died a year later. In December 1993, he had undergone radical surgery for colon cancer. He is currently alive. In January 1993, Sizi returned to the blind to cure the cancer, and because of extensive pelvic metastasis, he underwent a colostomy in January 1994. The remaining two sons and one woman have not yet found a malignant tumor.